Context: Diabetic peripheral neuropathy (DPN) is the most common complication of diabetes mellitus. Chinese patent medicines (CPMs) are widely used in clinical practice to treat DPN.

Objective: This study aims to summarize the latest evidence on the harms and benefits of CPMs as adjunctive therapy for DPN.

Materials And Methods: We conducted searches for randomized controlled trials (RCTs) evaluating CPMs in conjunction with mecobalamin (Mec) or alpha-lipoic acid (αLA) across eight databases up to July 2024. The surface under the cumulative ranking area (SUCRA) was utilized to assess the clinical efficacy rate (CER), the peroneal motor nerve conduction velocity (pMNCV), the peroneal sensory nerve conduction velocity (pSNCV), the median motor nerve conduction velocity (mMNCV), and the median sensory nerve conduction velocity (mSNCV).

Results: The search yielded 128 eligible studies with 31 CPMs with Mec and 39 eligible studies with 17 CPMs with αLA. SUCRA rankings indicated that, when combined with Mec, liquid (lMLN) was the most effective regimen for CER, injection (iHH) for pMNCV, capsule (cMXK) for pSNCV, injection (iDZXX) for mMNCV, and capsule (cTXL) for mSNCV. Combined with αLA, injection (iDH) showed the highest efficacy for CER, pSNCV, and mSNCV, while injection (iXShT) was the most effective for pMNCV and mMNCV.

Conclusion: This network meta-analysis confirms the efficacy and safety of 37 CPMs combined with Mec or αLA for treating DPN. However, given the potential risk of bias and the very low certainty of the evidence, these recommendations should be adopted with caution.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11539401PMC
http://dx.doi.org/10.1080/13880209.2024.2422084DOI Listing

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